Hurkos III was the non-aligned inhabited third planet in its star system. The system was located in the Cygnus Sector. This planet was home for the University of Hurkos.
In 2344, Devinoni Ral, having grown uncomfortable among Humans on Earth, relocated to Hurkos III. Information on this planet was in the biographical data file of Ral. (TNG: "The Price", okudagram)
According to the Star Trek: Star Charts ("United Federation of Plaents I"), Hurkos III was a member planet of the Federation in 2378.